Structure-preserving vs. standard particle-in-cell methods: The case of an electron hybrid model

Florian Holderied,Stefan Possanner,Ahmed Ratnani,Xin Wang

Journal of Computational Physics（2020）

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摘要

•Structure-preserving discretization leads to noncanonical Hamiltonian system in time.•No spurious modes compared to standard numerical methods.•Better long-term energy conservation compared to standard numerical methods.

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关键词

Plasma simulation,Particle-in-cell,Finite elements,Finite element exterior calculus,B-splines,Structure-preserving

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